Synthesis and characterization of a new NLO-active donor-acceptor-type conjugated polymer derived from 3,4-diphenylthiophene
A new donor-acceptor-type conjugated polymer (P1) carrying 3,4-diphenylthiophene, 2,5-dihexyloxybenzene, and 1,3,4-oxadiazole units was synthesized through multistep reactions. The polymer was prepared using a polyhydrazide precursor route. The polymer has a well-defined structure and exhibits good...
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| Veröffentlicht in: | Journal of polymer research 2010-07, Vol.17 (4), p.495-502 |
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| creator | Manjunatha, M. G Adhikari, Airody Vasudeva Hegde, Pramod Kumar Suchand Sandeep, C. S Philip, Reji |
| description | A new donor-acceptor-type conjugated polymer (P1) carrying 3,4-diphenylthiophene, 2,5-dihexyloxybenzene, and 1,3,4-oxadiazole units was synthesized through multistep reactions. The polymer was prepared using a polyhydrazide precursor route. The polymer has a well-defined structure and exhibits good thermal stability, with a decomposition onset temperature in nitrogen of 300 °C. Cyclic voltammetry experiments revealed that the polymer has low-lying LUMO (−3.68 eV) and high-lying HOMO (−5.78 eV) energy levels. The electrochemical band gap was found to be 2.10 eV. The UV-visible absorption spectrum of the polymer presented a maximum at 373 nm, and it displayed bluish-green fluorescence in dilute chloroform solution. The nonlinear optical properties of the new polymer were investigated at 532 nm using the Z-scan technique with nanosecond laser pulses. The polymer exhibited strong optical limiting behavior due to excited state absorption, which was phenomenologically similar to a three-photon absorption (3PA) process. The 3PA coefficient γ was found to be 7 × 10⁻²² m³/W². The studies show that the new polymer (P1) is a promising material for developing efficient photonic devices. |
| doi_str_mv | 10.1007/s10965-009-9336-1 |
| format | Article |
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G ; Adhikari, Airody Vasudeva ; Hegde, Pramod Kumar ; Suchand Sandeep, C. S ; Philip, Reji</creator><creatorcontrib>Manjunatha, M. G ; Adhikari, Airody Vasudeva ; Hegde, Pramod Kumar ; Suchand Sandeep, C. S ; Philip, Reji</creatorcontrib><description>A new donor-acceptor-type conjugated polymer (P1) carrying 3,4-diphenylthiophene, 2,5-dihexyloxybenzene, and 1,3,4-oxadiazole units was synthesized through multistep reactions. The polymer was prepared using a polyhydrazide precursor route. The polymer has a well-defined structure and exhibits good thermal stability, with a decomposition onset temperature in nitrogen of 300 °C. Cyclic voltammetry experiments revealed that the polymer has low-lying LUMO (−3.68 eV) and high-lying HOMO (−5.78 eV) energy levels. The electrochemical band gap was found to be 2.10 eV. The UV-visible absorption spectrum of the polymer presented a maximum at 373 nm, and it displayed bluish-green fluorescence in dilute chloroform solution. The nonlinear optical properties of the new polymer were investigated at 532 nm using the Z-scan technique with nanosecond laser pulses. The polymer exhibited strong optical limiting behavior due to excited state absorption, which was phenomenologically similar to a three-photon absorption (3PA) process. The 3PA coefficient γ was found to be 7 × 10⁻²² m³/W². The studies show that the new polymer (P1) is a promising material for developing efficient photonic devices.</description><identifier>ISSN: 1022-9760</identifier><identifier>EISSN: 1572-8935</identifier><identifier>DOI: 10.1007/s10965-009-9336-1</identifier><language>eng</language><publisher>Dordrecht: Dordrecht : Springer Netherlands</publisher><subject>1,3,4-Oxadiazole ; 3,4-Diphenylthiophene ; 3PA ; Absorption spectra ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Constraining ; Devices ; Donor-acceptor conjugated polymers ; Electrochemical properties ; Fluorescence ; Industrial Chemistry/Chemical Engineering ; Nanomaterials ; Nanostructure ; NLO ; Nonlinearity ; Original Paper ; Photonics ; Polymer Sciences</subject><ispartof>Journal of polymer research, 2010-07, Vol.17 (4), p.495-502</ispartof><rights>Springer Science+Business Media B.V. 2009</rights><rights>Springer Science+Business Media B.V. 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-3a0b2fcec22b9166e51a3a8847f0d0dabb47a07526893933c23a7f6d939113d23</citedby><cites>FETCH-LOGICAL-c372t-3a0b2fcec22b9166e51a3a8847f0d0dabb47a07526893933c23a7f6d939113d23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10965-009-9336-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10965-009-9336-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Manjunatha, M. 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The electrochemical band gap was found to be 2.10 eV. The UV-visible absorption spectrum of the polymer presented a maximum at 373 nm, and it displayed bluish-green fluorescence in dilute chloroform solution. The nonlinear optical properties of the new polymer were investigated at 532 nm using the Z-scan technique with nanosecond laser pulses. The polymer exhibited strong optical limiting behavior due to excited state absorption, which was phenomenologically similar to a three-photon absorption (3PA) process. The 3PA coefficient γ was found to be 7 × 10⁻²² m³/W². The studies show that the new polymer (P1) is a promising material for developing efficient photonic devices.</description><subject>1,3,4-Oxadiazole</subject><subject>3,4-Diphenylthiophene</subject><subject>3PA</subject><subject>Absorption spectra</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Constraining</subject><subject>Devices</subject><subject>Donor-acceptor conjugated polymers</subject><subject>Electrochemical properties</subject><subject>Fluorescence</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>NLO</subject><subject>Nonlinearity</subject><subject>Original Paper</subject><subject>Photonics</subject><subject>Polymer Sciences</subject><issn>1022-9760</issn><issn>1572-8935</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9UcFu1DAUjBCVKIUP4ITFiQOmz_bGTo6oKrTSih7ani2v_bLrVdYOtrcoFR-PV0FC4sDJM3ozo_c8TfOOwWcGoC4zg162FKCnvRCSshfNOWsVp10v2pcVA-e0VxJeNa9z3gO0rZLdefPrfg5lh9lnYoIjdmeSsQWTfzbFx0DiQAwJ-JN8X9_ROvFPSFwMMVVicSoVlHlCYmPYH7emoCNTHOcDJuJqylPlQ4oHIj6tqPPTDsM8lp2PJ4RvmrPBjBnf_nkvmsev1w9XN3R99-326suaWqF4ocLAhg8WLeebnkmJLTPCdN1KDeDAmc1mpQyolst6bL3ecmHUIF0ljAnHxUXzccmdUvxxxFz0wWeL42gCxmPWTCq2YqoVqko__CPdx2MKdTvdKV5_VsiTiC0im2LOCQc9JX8wadYM9KkOvdShax36VIdm1cMXT67asMX0N_h_pveLaTBRm23yWT_ec2ACWFfLrQv9Bughl0Q</recordid><startdate>20100701</startdate><enddate>20100701</enddate><creator>Manjunatha, M. 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G ; Adhikari, Airody Vasudeva ; Hegde, Pramod Kumar ; Suchand Sandeep, C. 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G</creatorcontrib><creatorcontrib>Adhikari, Airody Vasudeva</creatorcontrib><creatorcontrib>Hegde, Pramod Kumar</creatorcontrib><creatorcontrib>Suchand Sandeep, C. 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G</au><au>Adhikari, Airody Vasudeva</au><au>Hegde, Pramod Kumar</au><au>Suchand Sandeep, C. S</au><au>Philip, Reji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterization of a new NLO-active donor-acceptor-type conjugated polymer derived from 3,4-diphenylthiophene</atitle><jtitle>Journal of polymer research</jtitle><stitle>J Polym Res</stitle><date>2010-07-01</date><risdate>2010</risdate><volume>17</volume><issue>4</issue><spage>495</spage><epage>502</epage><pages>495-502</pages><issn>1022-9760</issn><eissn>1572-8935</eissn><abstract>A new donor-acceptor-type conjugated polymer (P1) carrying 3,4-diphenylthiophene, 2,5-dihexyloxybenzene, and 1,3,4-oxadiazole units was synthesized through multistep reactions. The polymer was prepared using a polyhydrazide precursor route. The polymer has a well-defined structure and exhibits good thermal stability, with a decomposition onset temperature in nitrogen of 300 °C. Cyclic voltammetry experiments revealed that the polymer has low-lying LUMO (−3.68 eV) and high-lying HOMO (−5.78 eV) energy levels. The electrochemical band gap was found to be 2.10 eV. The UV-visible absorption spectrum of the polymer presented a maximum at 373 nm, and it displayed bluish-green fluorescence in dilute chloroform solution. The nonlinear optical properties of the new polymer were investigated at 532 nm using the Z-scan technique with nanosecond laser pulses. The polymer exhibited strong optical limiting behavior due to excited state absorption, which was phenomenologically similar to a three-photon absorption (3PA) process. The 3PA coefficient γ was found to be 7 × 10⁻²² m³/W². The studies show that the new polymer (P1) is a promising material for developing efficient photonic devices.</abstract><cop>Dordrecht</cop><pub>Dordrecht : Springer Netherlands</pub><doi>10.1007/s10965-009-9336-1</doi><tpages>8</tpages></addata></record> |
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| subjects | 1,3,4-Oxadiazole 3,4-Diphenylthiophene 3PA Absorption spectra Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Constraining Devices Donor-acceptor conjugated polymers Electrochemical properties Fluorescence Industrial Chemistry/Chemical Engineering Nanomaterials Nanostructure NLO Nonlinearity Original Paper Photonics Polymer Sciences |
| title | Synthesis and characterization of a new NLO-active donor-acceptor-type conjugated polymer derived from 3,4-diphenylthiophene |
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